225552241 has 2 divisors, whose sum is σ = 225552242. Its totient is φ = 225552240.

The previous prime is 225552233. The next prime is 225552247. The reversal of 225552241 is 142255522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218921616 + 6630625 = 14796^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 225552241 - 2³ = 225552233 is a prime.

It is not a weakly prime, because it can be changed into another prime (225552247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112776120 + 112776121.

It is an arithmetic number, because the mean of its divisors is an integer number (112776121).

Almost surely, 2^225552241 is an apocalyptic number.

It is an amenable number.

225552241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225552241 is an equidigital number, since it uses as much as digits as its factorization.

225552241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 28.

The square root of 225552241 is about 15018.3967519839. The cubic root of 225552241 is about 608.7173991230.

The spelling of 225552241 in words is "two hundred twenty-five million, five hundred fifty-two thousand, two hundred forty-one".